• CLIENT_CONFIG_PREFIX : client_configuration_provider.cpp
• DEFAULT_LOG_MESSAGE_SIZE_BYTES : aws_log_system.h
• FIELD_ACCESS_KEY : service_credentials_provider.cpp
• FIELD_CREDENTIALS : service_credentials_provider.cpp
• FIELD_EXPIRATION : service_credentials_provider.cpp
• FIELD_SECRET_KEY : service_credentials_provider.cpp
• FIELD_SESSION_TOKEN : service_credentials_provider.cpp
• HEADER_THING_NAME : service_credentials_provider.cpp
• MAX_IOT_CREDENTIAL_BYTES : service_credentials_provider.cpp